ComponentFactory.Krypton.Docking.DockingDragManager.AddFilter C# (CSharp) Method

        private void AddFilter()
        {
            if (FloatingWindow != null)
            {
                _monitorMouse = false;
                FloatingWindow.FloatingMessages = this;
            }
            else
                _monitorMouse = true;

            // We always monitor for keyboard events and sometimes mouse events
            if (!_addedFilter)
            {
                Application.AddMessageFilter(this);
                _addedFilter = true;
            }
        }